Bicycle Archive · Specification reportBicycle Archive · Specification reportVelopedia Archive ID 900004106
| Model year | 2023 |
|---|---|
| Brand | Specialized |
| Model | Jett 20 Single Speed |
| Bicycle type | Youth |
| Archive ID | 900004106 |
| Original MSRP | $424.99 |
| Colors | Gloss Flo Red / White; Gloss Oasis / Forest Green; Gloss Cobalt / Ice Blue |
| Sizes | 20 |
| Frame construction | A1 Premium Butted Alloy, unisex frame, internal cable routing, 110x10mm dropouts |
|---|---|
| Frame material | Aluminum |
| Fork | A1 Premium Butted Alloy, Alloy steerer, V-Brake |
| Fork material | Aluminum |
| Crankset | Forged Alloy, Square Taper, Single Speed, w/ Chainguard; chainrings: 34T |
|---|---|
| Bottom bracket | Square taper, Plastic cups, 113mm spindle |
| BB shell width | 113 mm |
| Cassette | 18t Freewheel |
| Chain | KMC Z1 EPT (Anti-Rust) |
| Pedals | Nylon platform w/ reflectors |
| Brakes | (F) V-brake w/ tool-less reach adjust brake lever / (R) V-brake w/ tool-less reach adjust brake lever |
|---|
| Handlebar | Alloy Mini Rise, Double Butted, 60mm Rise, 5-degree Backsweep, 580mm Width, 25.4mm Clamp Diameter, 19mm Bar End Diameter |
|---|---|
| Stem | 3D Forged Aluminum, 35mm length, 6 degree rise, 25.4mm clamp diameter |
| Saddle | Kids Bridge Saddle, 130mm |
| Seatpost | Alloy, 2-bolt, 14mm offset, 27.2mm |
| Hubs | (F) Alloy, Loose Ball Bearings, Bolt type, 100mm Spacing, 28H / (R) Alloy, Loose Ball Bearings, Bolt type, 110mm Spacing, 28H |
|---|---|
| Rims | Alloy, 14mm Depth, 23mm Internal Width, 28H |
| Spokes | Stainless, 14g |
| Front tire | Pathfinder Sport, 20x2.0" |
| Rear tire | Pathfinder Sport, 20x2.0" |
| Seat tube | 290 mm |
|---|---|
| Effective top tube | 417 mm |
| Head tube | 100 mm |
| Head-tube angle | 69° |
| Seat-tube angle | 73° |
| Chainstay / rear center | 350 mm |
| Wheelbase | 828 mm |
| Bottom-bracket drop | 30 mm |
| Bottom-bracket height | 229.5 mm |
| Reach | 295 mm |
| Stack | 398 mm |
| Standover height | 510 mm |
| Fork offset / rake | 40 mm |
| Front center | 480 mm |
| Trail | 57 mm |
| Fork length / axle-to-crown | 305 mm |
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 26, 2026.